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(Color online) Geometric parameters determining the emission of a quantum dot. The three-dimensional orientation of the dot’s reference system with respect to the lab system (indicated by ) is determined by the three Eulerian angles , , and . Optical axis is along the -axis, which points away from the imaging objective.
(Color online) Measured and theoretically calculated defocused emission patterns for ten quantum dots. In each panel, the left image is the measured image, and the right the corresponding theoretical calculation. The model parameters used for each image were ( in ): (1) , , , , , ; (2) , , , , ; (3) , , , , ; (4) , , , , ; (5) , , , , ; (6) , , , , ; (7) , , , , ; (8) , , , , ; (9) , , , , ; (10) , , , , .
(Color online) Relation between the determined values of and for the 41 evaluated quantum dots. Value pairs with and close to zero correspond to a circular degenerate dipole emitter, values with to a purely linear dipole emitter.
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